A Skirt Measurement | Formulas | Skirt Avatar Measurements Skirt Length: 50 cm Skirt hip length: 20 cm Waist circumference: 80 cm Hip circumference: 106 cm Formulas in Details Skirt length: 50 cm Skirt-waistband: 50 cm – 47 cm = 3 cm Skirt hip length: 20 cm – 3 cm = 17 cm for a hip line Waist circumference: 80 cm / 4 = 20 cm  Waist circumference + dart-intake: 20 cm + 3 cm = 23 cm Hip circumference: 106 cm / 4 = 26.5 cm Skirt hem: 26.5 cm + 6 = 32.5 cm Internal Line Data/Formulas for Skirt Block A waist-curve line (1.25 cm) from the top A hip line (20 – 3 = 17 cm) from the top A dart line (8.5 cm) from the center back A hem-curve line (1.5 cm) from the bottom Dart arms total (3 cm) Dart length (hip line 17 – 5 = 12 cm)  Hem line (3 cm) from base line Zipper notch length (16 cm) from waist-curve line Pattern-making Terms:  1) waist-curve line means a line that decreases from the center waist to make the curve, and 2) hem-curve line means a line that decreases from the base to make the